diff --git a/Java_training-master/pom.xml b/Java_training-master/pom.xml
index 5bff89a..9399b50 100644
--- a/Java_training-master/pom.xml
+++ b/Java_training-master/pom.xml
@@ -46,7 +46,7 @@
 		   <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>bootstrap</artifactId>
-            <version>3.3.6</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>